Expanded Program on Immunization

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Ahura Mazda - relief of the Zoroastrian god Ahura Mazda at the ancient ruins of Persepolis in Iran. Also known as Ormazd Zoroastrianism,

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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.

10 Famous Artworks by Leonardo da Vinci

Saguaro cacti dot the Sonoran Desert landscape at Saguaro National Park, Arizona. Formerly Saguaro National Monument cactus

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Ruminant. Deer. Red deer. Cervus elaphus. Buck. Stag. Antlers.

9 of the World’s Deadliest Mammals

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American bison (Bison bison) also known as buffalo or plains buffalo on the prairie, western U.S.

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Mother tickling her daughter, sitting in a garden

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Expanded Program on Immunization

WHO program

Learn about this topic in these articles:

polio

In polio: A global campaign
…polio was included in the Expanded Program on Immunization, launched by the World Health Organization (WHO) in 1974, and by 1989 the proportion of children being immunized rose to some 67 percent.
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